A corpo sation



BEST AVAILABLE CC)? A. N. SMITH.

CALCULATING MACHINE.

APPLICATION HL'ED NOV-13I 1919.

' AT ORNEY 'T cm' m jcotrrsny, or wILKns-BARn-E, PELZNSYLVANIA, .A ommun s; or

seer warmers e s I to'means-tointerrupt-the; feed of paper in line -spacing direction :atone or more points alongt'he platen.- 1: -i-:=- 1 ieLAS- is well lmown',iroller-orj cylindrical platens are provided with pressure rolls in frictional contact the'rewith,=ibetween which and the-platen, therleading; edge of a sheet or; strip of; paperis inserted,--the feed; or advance of 'the paperbeing effected-by imparti-ng aste by step rotation to the platen, Or, where ?-t 1e. construction iwarrants, to the pressure rolls -=1In: son1e;cases,.ithas been customary to provide a single pressure roll substantially coextensive fin: length withrthe platen, but experience has proven-itfbetter to'provide a series of? groups or pairs of- -.independentlysupportechf short pressure rolls along the platen, in place of the single longrolh.

ln-ithe E'calculating. as wellaas the 'type writer machineuu't,lit has been found that where the-pressure-rolls at one point along the; platen failed to properly grip-the paper, eitherfthrough improper adjustment, e): v sive wear, or because their peripheries became smoothfl and hard,' the feeding acti-zm was correspondingly reduced, and if it ha ppened that the feeding actioniof I a sufficient number of the groups of pressure rolls at one end of the series became impaired, the sheetgofrpaper was advanced a greater distance at oneside thanat the other,.and the printed lines ran askewacrossthe sheet, which= was a source of great annoyance.

- I have-taken advantage of this idea and have elaborated the same to completely prevent the feed of pap'er atone or more predetermined polnts along the platen, while permitting the feeding action to proceednn- I interrupted at other points:

In the key-set, crank-operated type of calculating machines, the items set up on the keyboard are printed in their entirety at one operation. here so-calledwide paper carriages are used, the carriage may be. shifted Specification of Letters Patent. Patente Appiication filed November 13, 1919.

lAT El -d? 'QFFlQE or"'roizrr roar, PENNSYLVABIIA, AssIGNoR' ro uinnrne CALCULATING MACHINE.

SeriaLNo. 337,665; 7

fromi column to column successiVely,i re1a tively to the types, as in cross-tabulating, to

shah- 122 I enable a succession'of items to be printedin 1 a horizontal line across the sheet before-the paper is advanced to bring aHOthBIEEWIitiIlg line to the printing point.;

In some lines "of accounting, as in; adding sales tickets by departments, it is desiredto list the-individual sales on one stripxiof paper,--,print the; total under-,eachidepjartmental list by a sub-totaling; operation, shift the carriage-toi-the next column after each sub-totaling operation,:printtheusanie total in such ,adj acent column, and clear-the machine, after which the -carriage'is :re' turned to the first column andthe saleswof another department listedthereinr, 'rzi,

Heretofore, such a system jresulted .in- 1a v.1 considerable waste of paper, as the latter was. fed at; every operation ofthe machine, and blank spaces the length 'ofthe-jrindiyi; dual departmental.lists-dntervenedbetween thetotal amounts in that column-approprir atedto the-listing of totals only, whichgwide spacing impeded the operator .in picking, up the totals when-strikingfagrand -.total-Yof sales,vfor,instance.

Inother classes of workyit is-desiretl-vt'o list a number-of 1te'rns,- some of which are to be printed in duplicate, and others -=of which'it is not desired to duplicatefl Thus, for example, in. banks; it is custoniaryato list the amounts of the'individuahchecks cashed, those-drawn on the home bank being contained in one list, of whichian original only is desired, whereas the checks drawn on other banks are separately listed for clearinghouse purposes, a copy being sent to the clearing-house and a copy retained by thebank. I

Formerly, one method of-performingthis Work, has been to feed two paper strips around the platen. the outside checks beinglisted and totaledon one strip and the home bank checks listed and totaled on the reinaining'strip, the carriage being shifted back and forth to bring one or the other paper strip opposite the types, as occasion required; a-suitable transferring mediumbeing arranged to print the list of outside checks in'duplicate. i

Obviously, the strips were fed 'simultane ously and the'entry of-several successive my invention enablsith e'pe'ratoi tb- =list BEST AVAHABLE CG? items OII QI B PflPEfistri resulted in leaving a. longblank space between the items on the other strip, thereby unduly separating the.

t I ;q- 9W i strip 6f paper 'Which is not in use, while permitting the line spacinghetiongoi that strip which, for the time being, 1s opposite lle pes- ,5 V "nfitin Jet-Z k disses '(swork, as in billing,

the individual items and print the total on the sheirs emains, and -aisepvi e the men oh'e sptnite 'Uin'den farmermethods, the separate mining strip wonlfci' feedcoineidehtlj iviiih thebillls or sheets, "end don- 'sidrzrb1e'distsnces;wpu1d the "totals printed on the totz'iling strip-Q #By the nsezfi'myinvention, theseparate totals "are condensed so tons-110w each otheriii't the usual line spiic'e int'ervifls for which the machine is set, and waste of 'pzi'p'er thei ebyfevdiiddi To attain ng-fo egoing "alndfother; oi jt; KI 'prov ide means 'tp *"dz'i's't" ofi or-fdis'eble e'rmin' enly qf 'the pressure rells' cdadtin with the stripuvs'heet of paper which is in'ot'in use,'- ivithdii t interfering with the stave-nee in line spaeing dirctioiifof thfitsheetfor vide 'ineans-to- "central the separate fpiess'ii re stri s are cast off or displacedfto'prei entthe fee Beifisheh sfiri IiQ thepreKsUre rolls which eoactfmyith the particiilgr strip "o'ff'p'aper in usef'bei'iig i elensed fdr: 'eifeetive'operation. a l ifthese a nd emerged-$ 1113 invention includes: eei tein jj'ioirelfeatures and eo'mbi ne tibns 'ojf pe' rts, "whiehivili be mnre .ifuily set forth hereinafter ehd erticiil ariy pointed but"in' theicleims.- {111 t-he aee'omptinyin'g' "li 'an ing's, Fig. 1 is it 'redr vi'ew-g (Sf- 31; p'zqoe'r carriage eq'ui 'iped ivith'one form 'ofn yinvention; I E ig u25is a-Tight'h'and end fii'ie'w thereof, showing the line spece mechanism Fig: -I 3 iis 'a ve'rt-ieel fio'ss "sectional 'vi ew, through :14 paper earring -warts being om t ted, showing theseleeted "form '6'? paper fee'di disabling mechanism in idle position and f n tg is 'e fragmentary"detail View in cross se'etion, showin the pziper feed dis eiblin'g meetns ineffective positi-on.

"iVhiIem-y intention is not-restricted in its application to the well-known vi eles'ezih-iiiating machine, I have chosen toilhf'strate it in connection-"with such imeh'inefexer'n pies oi wh-irh ziie 'd-is'closedin V; S. p'itents'tn .n ii 24,1917, (thetylvo lattel; 8&0 thefeed oi the direct-ed tor a more coinpit efpl'ziifzi Iales, 791,032; August,1Q,-19Q5;;,Kiintz1er 12 206,863, Deeerhber 5 1916; entecost, 1,206,905, December 5. 1916, and 1,223,419, ns-$1 hj fi'p'e, ce 1s ion of the general features and operation of the Vales machine.

' A suiti'ibiy supported carri'fige brziirket 206?- (FEgSJQ Jfi-H-QhdAQA) is provided with ways or guides 2067" between which 2 1 carriage slide 2065 is shiftahly -iiiounted.WEnd plate-s 2010 secured to the-bppo'site ends' of the carriage slide 2065;" proiect iipwa-rdlyg find :1 platen a'xle 2004' jouinhied inth e upper portions 'oi'th'e ezmrihge- 'end'ipietes, (iiliiGS e eylindricel piat'en2094;

Stops 2018 (Figs. 1,2 rind 3-) shiftabie along a taiful'ating bar 2092 journaled a tits ends inx'the opposite end plzites=2O1O ofthe 'mir'riage, reiensebly "and: -si'ngiyl' engage an abutment 2091 (F gs. 2 and 3}fixed on one of the-carriage "rails:- 2067",- to hold the sliding I Carriage where adjusted; Pressure upon a finger iece 2022 (Fi s. 1 and 2 )'-'cc nnected to one end o't thetabulating bnr- QOQQP, rocks'thelatter against the tensidn (if' iiile storing spring 4s1 F-ig. 1)=- m dre1ease th effective stop horn th'eabu'trnent 2091 and permit endwi'se"shiiting ofi the cm' riage to position any desired column sheewof peperyor any strip of pdl'ier-at the-printing point; I Q v 'f it 1 It.

BEST AVAILABLE CC)? Sleeves 2044 on the cross rod 2003, interposed ,between the oppositely-extending airs offront and rear supporting levers 2015 and 2015, separate the levers and hold '5 them in position against lateral displacement.

The lower arms of the respective op-po sitely-extending pairs of front and rear rollsupporting levers extend rearwardiy and lie substantially parallel with each othcnthe lower arm of the front roll-supporting le ver.2015"-.preferably lying above the lower arm of its adjacentrear roll-supporting lever, and a spring 2081 connects the arms of each such pair of levers, to yieldii'igly press the rolls 2097, 2097 against the lower convex faceof the platen. a

A paper table 2022 extending betweenthe endpplatesi20l0 behind the platen 2094, projectsf: downwardly and-forwardly around heneath the platen, the-paper table being slott'ed, as at 2022", toenable the pressure rolls 2097- and -2097 xto contact the platen.

.T-he papertable'or chute guides the leading edge ofth'e paper to the bite between the rear'pressure rolls 2097?? and the platen and thereafter tothe bitebetween the front pressure rolls 2097 and the platen, after which the-chute directs the leading edge of the 30. paper upwardly between the platen and the types-561, .in the usual manner. Either sheets or stripsof paper of varying widths 'Inay befedabout-the platen; In case paper strips are used, thestrip maybe convenieiltly contained in a roll I mounted to rotateon a spindle 2007*reinovably insertibl-s through apertures inthe parallel side'fram'es 2027 journaledon the bracerod 2001, and constituting .thepaper roll holder. v ,Generally, the paper roll holder overhangs-"the ,pla ten209 l, but the roll holder may; rbe turned bacltwardly to the position shown in Figs. 2 and 3, to uncover the throat between the platen and the paper table.2022 when it is desired to feed a wide sheet of paper around the platen, in addition to a strip 2.

Thecompression feed rolls 2097 and 2097 are,c ast ofi or released from the platen against the tension of the springs 2081, by a universal release bar 2092, which is preferably oblong in cross section, and extends between the rearwardly-projecting arms of the front and rear roll-supporting levers 2015,.20l5.. ,The release bar. 2092 is journaled at its ends in the carriage end plates 2010 and is provided with upwardly-extending arms 2022 connected at their upper ends by a bail 200,3 positioned above the paper turns the; release bar 2092 from its normal idle position, in whichwits major axis lies substantially. :parallel with the rear arms of the lovers 2015 2015 to a position at an anglc- .to such rear arms, whereby to spread of the leading edge of thev paper between gthroat. Pressing the bail 2003 'rearwar dly,

apart the rearwardly projecting arms of the front and rear roll-supporting levers, and thereby rock the upper roll-carrying arms of the levers 2015, 2015 away from the platen against the tensions of springs 2081, as fully "0 set forth. in the patent to Pentecost, 1,206,905, above referred to.

Deflectors 2068* may be conveniently mounted on the universal bail-2003, to deflect the paper strips, after having been printed upon, away from the paper'throat, the forward ends of the deflectors resting lightlvon the platen to prevent the entry the deflectors and the platen.

Step by-step rotation of the platen, the compression'rolls 2097 ,,-2097; being in contact with theplaten, advances the-paperi linespacing direction. T 1 2 Such rotation is'imparted to the platen bythe familiar reciprocating thrustvbar 2026 of the Wales machine, the foot 2026? (Figs. 2 and 3) ofwhichwbar normally contactsrth'e universal line-space bail 2002,=and holdsvit at one =liinit of its travel.- 1 :H'angers 2016?.fast on stub shafts 053". 2053, journaled in .the respective rightand left end plates 2010 of the carriage,-"suspend the line spacing bail 2002 in the path of the foot 2026", and a spring 2486tends toirock the bail-forwardly towards the foot 202622 1 line spacing pawl .20l4,';,wh0se;-.free end is adapted tojengagejthe teethgofa' ratchet 2020 secured to the platen aXle2004ispiv oted at its lower end to abell crank arm- 2016 fastened to the stub shaft 2053, -and:a;pin 2062 on the pawl normally contactszthearm to hold the pawl. out of'engavement withits ratchet 2020 againstthe tension-0f a spring 2082?- connectedto'the pawli ;:1 During the operation of 'thewmachine, the reciprocatory thrust bar" 2026 is first withdrawn relatively tothe universal-bail 2002, which follows the retreating bar, under the influence. of thespring 2486'and rocks the l ell-crank,- arm 2016to retract the lineispac ing pawl 20141 and enable it to take a ne w bite on the ratchet 2020. "I-The 'thrust bar 2026, on its return to its normal rearward position, forces the universal bail -2002-backwardly against the tension of itsspring 2486, and through'the bell'crank'arin 2016; causes the pawl 2014c to engage the ratchet 2020 and turn the latter and the platena predeter mined distance, until the bellw crank arm again contacts the pin 2062 o n the pawl and disengages the latter from its ratchet nearthe end of the return stroke of the thrust bill. Due to the clamping-action exerted by the compression feed rolls 2097 and 2097 'upon{ the paperinsertedbetween'the'rolls and the" platen, the latter asv it rotates,- feeds the pa per in line spacing direction. j;

The foregoing mechanism is old andcon- 130 abl-ingthe compression' feed rolls 2097, 2097 stitutes a part of the present invention only in so far as it cooperates therewith to effect the new results now to be set forth.

It is obvious that the release of any one of the groups of front and rear compression "feed rolls 2097, 2097" from contact with the platen, will deprive the paper of the feeding action of the rolis at that point, and- I utilize this idea in effecting the objects of my invention.

In the embodiment herein illustrated, I have shown two paper roll holders (Fig. 1), arranged on the paper carriage in such relaticn to the groups of compression feed rolls 2097, 2097 that'one such group coact-s with the platen to feed the paper strip 2 served from one of the-'rolls, -and another group of compression feed rolls similarly coacts with the platen to feed the pap'erstrip served from the remaining roll.

By shifting the paper carriage in any convenient manner first in one direction and then in the other, the paper strips are alternately-broughtto the printing point and presented to the types, to 'beprinted upon.

Assuming that the operator isalisting debits on'onepaper strip and credits on-the other," for? instance, the carriage must 'be shifted back and forth to bring the" appropriate strips to the printing point opposite the types, irraccordance withthe respec tive entries. Andunder' former construe tions, that paper'strip which is removed from the printingpoint,-is 'fed simi ltane ously' with the paper strip which is at the printing. point. 7 "1 7 Or, assuming"thatg'asheet of paper and a-pap'er strip haveb'e'n led about the platen, the line spacing mechanism-M11 fe'ed both the sheet and strip simu ltaneouslyirrespective o f'thefnumher ofentriesamade on either.

' My invention provides-a simple, inexpen:

sive? means? readily applicable to machines nowin .useyto prevent the feed and consequent waste-of Jtheseparate papers by diswhich: formerly coacted with the: platen :to feed that "piece of paperwhich is not being printed-upon. 1 7

Referring more particularly-"to the independent; feed of; either of two"pa per strips, the-rear arms of the front roll-supporting levers 2015 which carry the respective compression rolls 2097 coacti-ng with theplaten to feedthe-individual paper strips 2, may he hooked or provided: with a reentrant bend, as shown in Figs 3 and 1, to offset such arms from their companion rear arms o f'the'rea'r roll-supporting levers 20l5, and thereby en- :able the use of a spring 2081 of sufficient length and size to provide the requisite 'flexibility and strength to withstand the alternate separationof the respective groups of rear arms.

Beveled or cam faces 2015? on the rear ggsg avamsrs cosa-rins of the front compression roll-support inglevers 2015 oppose similar cam faces 2015 on the rear arms of the rear roll-supporting levers 2015, the opposing cam faces diverging'from their inner to their outer ends.

The introduction, underpressure, of a means between the opposed beveled faces of the respective front and rear roll-supporting levers 2015 and '2( 15 will separate the levers to cast ofi the pressure" rolls 2097 2097", and as one convenient means to accomplish this result, I have provided-anindependentlyoperab-le releasing device for each of the respective groups of rolls coach ing with the several paper strips 2, a description of one of which will suifice for both.

The upper end of a releasing lever 2015 (Figs. 2-4) pivoted intermediate its ends, as at 20525, to a post 2053 projecting-laterally from and traveling-with the carriage slide lies opposite the respective'rear ends oi -the front and rear roll-supporting levers 2015212015, of one group of rolls, andis provided with ears 2015 which carry a hori zo'ntal -cross rod 2003, over which nay be" conveniently slipped a-sleeve 20%. -The rod and sleeve are oisuflicient length to contact the beveledrear ends of the respective levers 2015? and 2015 s ipporting the opposite ends of its roup of two rolls 2097,2097. The lower end of the releasing lever 2015 extends in proximity to the'lowerrnost carriage raii 2067 and carries a stud-355 on which may be journa'led ananti'friction roll 3&0?

adapted to ride onto and oflat a cam rise 2067' m'oiinted on the carriage rail 2067".

After the carriage has been shifted .;to bring the paper strip'2 to the printing point opposite the types 561,- the corresponding re leasing lever 2015. isin' idle position (Fig. with it's spreading roll 2044; lightly in contact with the divergent faces at'the free ends of the rear arms of levers 2015 2015 and the antifriction roll 340 rests against theface ofthe carriage rail. In such posi tion, the sprin'gs 208l are free'to press the eed rolls 2097; 2097 against the platen 2,994 or the paper strip 2 interposed between the platen and the rolls, so that the paper will be advanced'at every line spacing operation, oras the platen turns.

'WVhen 'the"carria;ge is shifted to displace one of the paper strips 2 from theprinting point and bring another paper strip or a sheet to the' printing point, the I releasing lever 2015 associated with the paper strip Which is shifted from the printing point, travels therewith; and the anti-friction roll 340 rides up on one ofthe cams" 2067*, there by tiltin'g the upper end of thereleasing lever 2015 forwardly and forcing the cross rod 2003*,- or the sleeve 204-1 surrounding therod, between the divergent faces 2015 AVNLABLE C62 atthe freezends of thexreararms of the rollsupporting-levers' 2015; 2015", to spread them apart againstxthe 'tension of their springs 2081. The upper arms of the roll- 5 supportinglevers 2015", 2015 are thereby rockedaway from the platen to cast off the pressurefeed-rol-l's 2097', 2097', and thus inferrupt the paper feed at that point so that rotation of the platen by the line spacing v mechanism, or otherwise, .ishinefi'ective to feed-the paper strip: which has been displaced from-the printing point opposite the type;:' I

.Thereleasing lever- 2015 by its contact with the cam rise 2067', ismaintained effective' until the idle paper strip is again shifted with the carriage, backuto the printingpoint, atwhich time, the'antifriction roll 340 rides ofl of the cam rise 2067'.

To prevent damage;-andinjuryto, or unduestrain on; the spring 2081, when the releasing'lever 2015 is rocked to effective position: zby its engagement with the cam rise 2067*,wthe ears 201-5 extend in advance ot the spreading roll 2044 and contact the rear edge of :the -universal pressure ro1i release bar. 2092l;fas".shown in :F1g. 4,450 arrest the spreadingroll 2044 before it can interfere witlpthe:springs 208l5 and before it can slip 3W pastbtheahighu points'i'of the -bev'eled or'in-' Y I I paperwemote from ithetypes'; and thereby" tsItl Will'rbe zun der'stoodwliat as one paper" strip 2 is brought to the printing po rnti'cp positttlie typedv the remainingpaper strip displaced laterally there'from. 'and"that thepressure :ro'l'ls. 2097; 5 2097" cooperating with th''ip'laten tot feedzthe p'aperstrip brought to the? rpi inting pointatire rendered effective by thefrtensi'o'm ofi-the 'springs 2081ywhich latter 40 fgrce'uthet Tear arms of tlfe roll-supporting;

1et ers22015; "2015? together to extrucle the spreadiiig'uroll 2044* from between the bevele'dedges2015 as theireleasing lever 201.5 leaves 1the bam --rise Q'OB'IU-" v Ht is obiriou'sfthat wlfen'both-"a paper sheet andr-a strip'tare fled around the I p] atein. the groups of compression teed rolls 209T, 2097' which coactflwith the platen 209t'to feed the sheet;maybe disabled and restored to effecgroup ofieed rolls associated with the paper stfiI'j;, 1:: l .t j v qiehaiigesmay be madeinthe form and ar bination 'with a' platen' ;-pres'sure' rolls adaptrangement ot'the several parts set' forth without departing from thespirit and scope of myjnventioni la'fThe combination with a printing mechanism", including types ;'a single platen shite ablerelativelythereto, to present'anyof a number of'separatepieces of paper to the types';'=independentpressure" feed rolls releasably' pressed against the platen to coact With the several'sepa'rate pieces oi paper; 65 and means to turn'the platen to line space the tive-po sitiom in th'e same manner, as is the paper of means'to'cast-ofii one or=another off the pressure'rolls as'the"platen; "is shifted axially to prevent the advance of one or an: other of the separate pieces of paper notwithstanding the rotation of the platen."

' 2. The combination with aprinting mecha' nism, including types; a platensh-i ftable relatively thereto, to present' any of a number of separate pieces ofpaper 'to the-types; pressure feed rolls releasably pressed-against the platen; and means to turn the platen to line space the paper; of meansto'automattcally release one or'another of thepressure rolls .to prevent theadvance of one or 'an' other; of the separate piecesz-of paper not withstanding the rotationof the platen.

. 3. The combination with'zi'a; printing: mechanism, including types .-a'nd apaper; carriage bearing a platen, and shiftable rel atively to the printing mechanism to presentone or another strip of paper on thefp'laten" to the printing mechanism; separate -pre's"-' sure rolls to yielclingly pressathe'respective strips; of; paper against the plateng and means to turn-the platen to=line12space thepaper strips simultaneouslyg of means,'efi'ec"-: tive when thepaper earri'age in' one' ot-its; adjusted positions, at which one 'of the paper strips ispresented to the types,'to {release the 5 pressure rolls coating m'ith -i that strip ii of:

preventithe-feed of that stripfi f- 4; The combination with 'a papcr carriage,i' including a single rotatable'j platen=- aboutf which-the paper-is led -groups of pre ssur lm rolls g m'ean's :t'o' "p ress the: rollsyieldingly against: the: platen;' a11d?l.ine sp'acing inecha i nisin' with which the platen -an'd pressure rolls" co act, to feed the' pape'r step by step= k of mean's to automatically release? at :least 'l05 one group 'of pressure rolls relatively to theplaten to render them ineffective" t'o" teed the 1 paper,- while ennant-gag other' 'groups pressure rolls to-rei'nain operative; 1

5. In a paper carriage, the combination with a platen; 'pressureProlls adaptedf to yieldingly contactthe platen andmeans'to' 5 turn the platen to feed 'the paper j-held be-' tween the' plate'n and pressure rollspin linespacing direction; of meansto automatically CEISf/Ofi the pressure rolls thereby pre-" vent thefeedof the paper.

6. In ashiftable paper 'car'riagefithe com ed to yieldingly' contact-the platen; and means to turn the platen to feedthe paper,

' held'betweenthe platen and prjessu're rolls,

manners means toturn the platen to feed the paper in linejspacingdirection; of pressure rolls betweenwhiclrand the platen the paper is led; pivotally. mounted levers to support the .rolls; meansto yieldingly press the rolls against the platen; and means automatically in'sertible between the levers to release the pressure rolls relatively to the platen, whereby to prevent the automatic feed of the paper in line spacing direction.

8. The combination with a shiftable paper carriage, including a platen, about which the "paper is led; separate pressure rolls; means to press the rolls yieldingly against the platen, at least-one roll adapted to press a strip of a paper against the platen; line space mechanism-cooperatin with the platen and rolls to feed the paper step by step; and types relatively to which the carriage is shiitable; of meansto automatically release that pressnreroll active upon the paper strip,

relatively to the platen, as vthe. carriage shifts the paper strip to a point remote from the printing point of the types to thereby prevent the-teedof the paper strip, \vhilethe other pressure rolls :remain effective to feed paperin line spacing operations.

9.; The comb nation with. a suitable support;- -a paper carriage shifta-ble along the support; a.'platen. rotatably mounted. in the can'riage, and aboutwhichthe paper is led; separate groups .of pressure rolls; means to press; the rolls yieldinglyagainst the platen and line-spacing mechanism to coact'with theplaten and pressure rolls, to iced-the paper step by step;of-,-roll-releasing means adapted to -travel with the carriage and locatedadjacent oneof said groups of rolls; anc l mea'ns with which the roll-releasing means contacts when the carriage is in one.

of'its adjusted positions, to operate the rolll-releasingpmeans to free the adjacent group-iof rolls' relatively-to the platen, and thereby prevent the feed ot paper at that point l 101; The combination with a suitable support; a paper carriage shiftable thereon; a. platenrotatably mounted in the carriage and about which the paper is led; separate pres- .sure rolls; -means-to press the rolls yieldingly against the platen; and line space mechanism, with which the rolls and platen coact, to';feed the paper step by step; of a levei gpivotallymounted on the carriage to travel therewith, one end of the lever adapted to lieadja'cent-one ot the pressure rolls; and means effective upon the lever when the carriage, in, its. travel, arrives in a predeterminedposition, to rock the lever and cause it to releaseits'adjaeent pressure roll relatively to the platen, and thereby prevent the feed otthe paper atthat point.

11. The combination with a suitable support; a paper carriage shiftable thereon; a

ti P1 3129 jqtatably mounted in the carriage and -about which the paper is led; separate pres? sure rolls; supports therefor means to press the rolls yieldingly against the platen; and line space mechanism, with which the rolls and platen coact, to feed the paper step-by step; of a lever pivotally mounted on the carriage to travel therewith, one end of the lever adapted to lie adjacent the supports of one of the pressure rolls; and a cam wiped by the opposite end of the lever when the carriage, in its travel, arrives ina predeters mined position, to rock the lever and cause the release of its adjacent pressure roll relatively to the platen, to prevent'feed of the paper at that point.

12. The combination with a shiftable paper carriage; a platen rotatably mounted therein, and about which the paper-sis led; separate pressure rolls: means to press the rolls yieldingly against the platen; and line spacing means enacting with the plaltenand pressure rolls, to feed the paper;-of.- rocking levers to support the respectivefrollsp the free end of at least one of the levers "having an incline formed thereon; aip-ivotallya mounted release lever; and means toswin'g:- the release lever to, and hold itz-in; contact with the. inclined end of therdllssupportinglever, when the carriage is in a predeter mined position, to. shift's-the corresponding; pressure roll away from the: platens-land thereby prevent the feed dfepaperiiat tlfat point.

The combination with raj shiftable pag'icr carriage; a platen. rotatably mountedth ein. and about which the ptifper-isrledn} separate pressure rolls;-me'ans to press-the: rolls. yieldingl-y against-the platen {and line spa cing means coac-t-ing" -with-ftlie plajtemand pressure rolls, to feed the paper;.-ofr-rfockmg' lovers to support the respectiveirollspthe treecnd of at least one of the Ievershaving an incline formed thereon ;"'and*means a contact the inclined end-of-tharoll-support-l ing leverto swingathe-latter-audits 1611 a way .from the platen, and thereby prevent the feed of paper at-that-point--.

14-. The combination =with:-:a shittable' pa per carriage; a platen-rotatably mountedtherein and about which thepap'er' is gled,

groups of pressure rolls, each group com-g prising a front and a rear roll arranged=intandem; pairs of pivoted-levers to individuallv supportthe respectiveifront and: rearreleasin member, the free ends of the -pairsl': otrollesnpperting levers eachhavl'ng' an 111-:1 chne. the inclines on the levers supporting the front and reaapressure rolls, respech ely, div rging from. each ether, (themeleasing member-adapted to"'enter between the divergent inclines; a "release lever to support-the releasi'n member;- and means to aot-uat'e the release le'veri at a predetermined p'o'intin thetra el ofthe'carriage, to press the release member between the roll-supportin'g' levers, and thereby rock the pressure mus away from the plat'emto prevent feed the platen; and linespacing i'n'ean's to enact with E-th'e" pressure rolls" 'andf platen to 'feed the-paper; of means to preventmergent]?- rleasing member,-the*-free ena's 0' a lea eone ipair' roll-supporting levers "each hav ing an incl neathinclines on the lererssu porting the} rent land rear: "pressure rolls,

re pectively; diveigin ntro'n1 '-e aoli other-, the releasing inembenadaptedto ente'l'i betweenj th divergent 'inelinesy release lever tesup- 3o brt th'e releasing-member? means'ito' actuate therelease levei' at'aipfredetermineii point in the tra yel ef the carriatge, to press the: To

. lease member betwen the 1 rdil su'ppqrting" 5- levens'i, and} thereby rook j-the pressure 'irolls l g gb-hf 1 p g d '5 q aw ay firom'ahe plat n; te mmate-e r the peper atz that'poimr 'an it a stop"-oii -the i-e'-" lease le veir to i iinit its efi'ecti've' throw," I and the extent of traifel of the releasing member relati ely to tlial inclined portionsof the 40 roll-supporting lei ers,

165 "-Th "f -combination with suitable support; a paper carriage shiftable along the support; a platen rotatably mounted in the carriage. and about which the paper is led; separate groups of pressure rolls: means to press the rolls yieldingly against the platen; and line spacing mechanism to coact with the platen and pressure rolls, to feed the paper step by step; of roll-releasing means adapted to travel with the carriage and located adjacent one of said groups of rolls; and means with which the roll-releasing means contacts when the carriage isin one of its adjusted positions, to operate the rollreleasing means to free the adjacent group of rolls relatively to the platen, and thereby prevent the feed of paper at that point; said roll-releasing means adapted to be restored to idle position by the means which presses the feed rolls yieldingly against the platen, when the carriage is adjusted to another of its positions.

17. The combination with a shiftable paper carriage, including a platen about which separate pieces of paper are led, sep

' the platen "is shifted to bring one seer avaaaeis Ci)? arate pressure. rolls ose. the respective pieces of paper ag t l.- platen; and line space merrhanism operating upon the platen and pressure rolls, to feed the pieces of 'paper;' of means to a antic: cast oli" the pressure rolls active upon one of thepieces of paper; relatively to the platen. as the paper carriage shifts toone of its iositions, while the pressure rolls active upon another of the pieces of paper remain effective; and means to automatically restore the cast-oil means to idleness, when. the carriage shifts from such position.

"18. The chmbination with a printing mechanism, including types; a'single platen shift'ablerela'tively to the printi'ngpoint of the types, to present any of a plurality of separate fworlr sheets to the types; independ entgroups of pressure feed rolls releasably' pressed against the platen to coact with the plate'i'r' and feed the respective worli sheets i and"ineans,to turn the "platen-to feed the work sheets 3 of means to automatically cast oftthat gr'oiip offpressu re teed fi'olls be; acting witlf'the' hummersheets prevent the feed hfsritili sheet notwithstandi'iig the rotation"of thejplaten. i Q.

'19. Theta-melamine *wiura printing; mechanism, in cluding types a' single platen shif table rel a'ti ely to the p rint ing point 9 5 ofsepairate wo'rk sheets to the types; indepeiident' groups sf* pressure*reeamus 'rest the platen to-' co. actf plate aridieed the respective work sheets'j'and means to turnthe platen to feedtheworksheetsg o t means jautomati-f cally cast- 'ofi" that"'-"froiip of pres i'ii'e fee'd" 1'olls""coactinp"with the idleiivo'i "sh'eeta s p fianonierl of thc 'worlrsheets to the printing'iphint, to prevent the feed of such sheet notwithstanding the rotation of the platen.

20. The combination with a printing mechanism including types; a single platen shiftable relatively to the printing pointof the types, to present any of a plurality of separate work sheets to the types; independent groups of pressure feed rolls releasably pressed against the platen to coact withthe platen and feed the respective work sheets; and means to turn the platen to feed the work sheets: of means to cast off the pressure rolls coacting with that work sheet which is idle and remote from the printing point, to prevent the feed of such sheet notwithstanding the rotation of the platen.

21. The combination with a printing mechanism, including types; a single platen shiftable relatively to the printing point of the types, to present any of a plurality of separate work sheets to the types; independent groups of pressure feed rolls releasably pressed against the platen to coact with the 130 DEC) platen and feed the respective work sheets; and means to turn the platen to feed the work sheets; of means common to a plurality of groups of pressure rolls to automatically cast ofi one or another of such groups which coact with the idle work sheet, to prevent the feed of such sheet notwithstanding the rotation of the platen.

' 22. The combination with a printing mechanism includingtypes; a platen shittable relatively to the printing point of such types to present any of a plurality of separate Work sheets to the printing point; independent groups of pressure feed rolls releasably 1 pressed against. theplatento coact therewith to feed the respective-work sheets; means to turn the platen. tofeed the work sheets; and a universal means common to theseveral groups of pressure feed rolls to cast off such rolls; of means independent of the universal east 4 oil means; to release. any group. of pressure feed rolls which eoacts with an idle work 7 anism, including typesg a platen shit-table relatively to the-printing of such" types to tpresent anyoil. a. plurality .of separate, averks setet t 'm t s entgroups of; pressure tee rolls releasahly pressed. against-the; platen 'tocoach-there'- with to; feed atherespective work sheets means to: the platen to feed. the work sheetsp and ,a universal means common to the several, groups of pressurefeed, rolls: to castwofi'. such rolls; of: means ndependent of.

the universalv cast ofil means,-, to rautomath call releaseany gnoupof pressure feed rolls which coacts rw thgn. idle worksheet remote from. the printing, point,-

preventthe teed mtti d p the platen.

HJAlLAB-LE CG? of such work sheet, notwithstanding the ro tation of the platen.

24. The combination. with aprinting mechv anism, including types; a platen shiftable relatively to the printing point of. such types to present any of a plurality of separate work sheets to the printing point; independ ent groups of pressure feed rolls releasably pressed against the platen to enact therewith to feed the respective werk sheets; means to turn the platento feed the work sheets;- and a universal means common to; the several groups of pressure fee-cl rolls to cast off suchrolls; of means independent oi? the universal cast oil means, to automatically'release any group of pressure feed.- rolls which coacts with an idle work. sheet remote from the printing point, as the platen. is shifted relatively to the printing point; toprevent the feed of such work s-l-ieet, notwithstanding the rotation of the platen.

25. The combination with a prin-ting mechanisln, including types;\ a platen shiftable relatively to the-printing pointof such types to present any of a plurality of separate- I work sheets to-the printing point independent groups ot pressure feed-- rolls releasably pressed against the platen to eoact therewith to feed the respective work sheets;-means tof turnthe platen to feed-thework' sheetsyandm v" .a universall means eornmom to-the scveral groups of pressure feedrolls tfo cast oiil such l rolls; of meansindependentof theu'nive'rsal Y '75 sure feed rollswhichcoa cts: withan idle;

castcit 15119311 1354) release any-group of presworksheet remote from theprinting point as the-platenis shifted relatively-to the printing point, to prevent the feed! of such work sheet; notwithstanding.-

Ane us sin rn.v

the rotation of; 

